Asked Apr 19, 2019
5x cos (xy).
Find the first partial derivatives for f(x,y)
Enter your answer in the answer box and then

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5.3.21 5x cos (xy). Find the first partial derivatives for f(x,y) ox Enter your answer in the answer box and then


Expert Answer

Step 1

Given the function f(x,y)=5x cos(xy),

 The product rule will work the same way here as it does with functions of one variable. We will just need to be careful to remember which variable we are differentiating with respect to 'x'. 


Step 2

Now, Differentiate f(x,y) w...


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